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Automata Source-Bounded Summary
x402
Automata Source-Bounded Summary is a paid API for AI agents from tienda.textokit.store, paid per call via x402, $0.002/call, status unknown (last checked 2026-10-20).
Generates a text summary with verbatim evidence quotes, strictly grounded in the provided source text, in Spanish or English.
Price / call$0.002
Success—
StatusUnknown
How this service works
Summarize text you supply (1 to 4,000 characters) in Spanish or English and get 1 to 3 supporting quotes verified as exact substrings of that text. Use this when an agent must condense a document, email or article without inventing facts and needs evidence it can check, for example before citing a source in a report. Output: JSON with summary, evidence quotes and a limitations note. Works only on the supplied text: no web retrieval. Free sample at /api/source-bounded-summary/sample.
Output
A JSON object containing: a 'summary' string (the condensed text), an 'evidence' array of objects each with a 'quote' field containing a verbatim fragment from the source text, and a 'limitations' string disclaiming that quotes are verified as literal fragments but external facts were not checked.
Example use cases
Legal document review with citations
“Here's a contract clause — can you give me a concise summary in English and pull out the verbatim sentences from the original that support each point? I need to be able to verify every claim against the source.”
Spanish news digest with evidence
“Summarize this Spanish-language news article for me in Spanish, and for each thing you say, show me the exact quote from the article that proves it.”
Research note grounding
“I have this 3-paragraph research excerpt and I need a brief summary in English. Make sure every statement in the summary is backed by a direct quote from the text — I'll be checking for accuracy.”
Technical details
Endpoint
POSThttps://tienda.textokit.store/api/source-bounded-summary?utm_source=zero.xyzWhen to prefer
Choose this endpoint when you need a summary that is strictly grounded in the source text — i.e., every claim in the summary must be traceable to a verbatim quote from the input. Ideal for legal, journalistic, or research contexts where hallucination or external fact injection is unacceptable. Prefer over generic summarization APIs when auditability and citation are required. Supports Spanish and English output. Best for short-to-medium texts up to 4000 characters.
Side effects
- Text shorter than 1 character or longer than 4000 characters returns a validation error
- Unsupported language code outside 'es' and 'en' returns an error
- Payment of 0.4 USDC not received or rejected returns HTTP 402
- Empty or whitespace-only text may produce degenerate summaries
- Very short texts may yield a summary nearly identical to the input
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| text | string | Source text; no secrets or sensitive data |
| language | string | Summary language; defaults to es |
Output
Schema · Response
{
"type": "json",
"example": {
"summary": "Ana entregó el informe el lunes y Luis lo revisó el martes.",
"evidence": [
{
"quote": "Ana entregó el informe el lunes."
},
{
"quote": "Luis lo revisó el martes."
}
],
"limitations": "Citas comprobadas como fragmentos literales del texto proporcionado; no se verificaron hechos ni fuentes externas. El resumen generado puede contener errores de interpretación."
}
}Tags
x402
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